package com.hkbigdata.source;

import org.apache.flink.api.common.serialization.SimpleStringSchema;
import org.apache.flink.streaming.api.datastream.DataStreamSource;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;

import java.util.Properties;

/**
 * @author liuanbo
 * @creat 2024-04-12-9:52
 * @see 2194550857@qq.com
 */
public class Flink03_Source_Kafka {
    public static void main(String[] args) throws Exception {
        //1.获取环境
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(1);

        //2.kafka配置
        Properties prop = new Properties();
        prop.setProperty("bootstrap.servers","hadoop102:9092,hadoop103:9092,hadoop104:9092");
        prop.setProperty("group.id","flink kafka 213214");
        prop.setProperty("auto.offset.reset","latest");

        DataStreamSource<String> stringDataStreamSource = env.addSource(new FlinkKafkaConsumer<String>("sensor", new SimpleStringSchema(), prop));

        stringDataStreamSource.print();

        env.execute();

    }
}
